As a student, Su-jin was making music in her rooftop room and put it on YouTube. However, after graduating from college, Su-jin stops music because of economic conditions. And she works as a accounting manager at an entertainment company. When Su-jin ends the contract period of the house, she visits the rooftop room. And she remembers herself who made music in the rooftop room.
Kim Soo-hyun studied at the Department of Film Studies, Yong In University in 2018. Her music < Dream of music > is her first film.